diff --git a/dlls/msacm32/format.c b/dlls/msacm32/format.c
index 963daf75881..f7f0fa40ac3 100644
--- a/dlls/msacm32/format.c
+++ b/dlls/msacm32/format.c
@@ -894,12 +894,12 @@ MMRESULT WINAPI acmFormatTagEnumW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
                                   ACMFORMATTAGENUMCBW fnCallback,
                                   DWORD_PTR dwInstance, DWORD fdwEnum)
 {
-    PWINE_ACMDRIVERID		padid;
-    unsigned int			i;
-    BOOL			bPcmDone = FALSE;
+    PWINE_ACMDRIVERID   padid;
+    unsigned int        i;
+    BOOL                bPcmDone = FALSE;
 
     TRACE("(%p, %p, %p, %ld, %d)\n",
-	  had, paftd, fnCallback, dwInstance, fdwEnum);
+          had, paftd, fnCallback, dwInstance, fdwEnum);
 
     if (!paftd)
         return MMSYSERR_INVALPARAM;
@@ -920,63 +920,60 @@ MMRESULT WINAPI acmFormatTagEnumW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
     /* if (had) FIXME("had != NULL, not supported\n"); */
 
     if (had) {
+        if (acmDriverID((HACMOBJ)had, (HACMDRIVERID *)&padid, 0) != MMSYSERR_NOERROR)
+        return MMSYSERR_INVALHANDLE;
 
-       if (acmDriverID((HACMOBJ)had, (HACMDRIVERID *)&padid, 0) != MMSYSERR_NOERROR)
-          return MMSYSERR_INVALHANDLE;
-
-       for (i = 0; i < padid->cFormatTags; i++) {
-	  paftd->dwFormatTagIndex = i;
-	  if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
-	  (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
-	     if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
-	        if (paftd->szFormatTag[0] == 0)
-		   MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
-			 sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
-		/* (WS) I'm preserving this PCM hack since it seems to be
-		 * correct. Please notice this block was borrowed from
-		 * below.
-	  	 */
-		if (bPcmDone) continue;
-		   bPcmDone = TRUE;
-	     }
-	     if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport)) 
-                return MMSYSERR_NOERROR;
-	  }
-       }
-
+        for (i = 0; i < padid->cFormatTags; i++) {
+            paftd->dwFormatTagIndex = i;
+            if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
+                (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
+                if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
+                    if (paftd->szFormatTag[0] == 0)
+                        MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
+                                            sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
+                    /* (WS) I'm preserving this PCM hack since it seems to be
+                     * correct. Please notice this block was borrowed from
+                     * below.
+                     */
+                    if (bPcmDone) continue;
+                    bPcmDone = TRUE;
+                }
+                if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport))
+                    return MMSYSERR_NOERROR;
+            }
+        }
     }
-
     /* if had==0 then search for the first suitable driver */
     else {
-       for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
-          /* should check for codec only */
-          if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
-	     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == MMSYSERR_NOERROR) {
-	     for (i = 0; i < padid->cFormatTags; i++) {
-	        paftd->dwFormatTagIndex = i;
-	        if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
-	           (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
-	           if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
-		      if (paftd->szFormatTag[0] == 0)
-		         MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
-				 sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
-		      /* FIXME (EPP): I'm not sure this is the correct
-		       * algorithm (should make more sense to apply the same
-		       * for all already loaded formats, but this will do
-	  	       * for now
-	       	       */
-		      if (bPcmDone) continue;
-		         bPcmDone = TRUE;
-		   }
-		   if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport)) {
-                      acmDriverClose(had, 0);
-                      return MMSYSERR_NOERROR;
-		   }
-	        }
-	     }
-	     acmDriverClose(had, 0);
-          }
-       }
+        for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
+            /* should check for codec only */
+            if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
+                acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == MMSYSERR_NOERROR) {
+                for (i = 0; i < padid->cFormatTags; i++) {
+                    paftd->dwFormatTagIndex = i;
+                    if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
+                        (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
+                        if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
+                            if (paftd->szFormatTag[0] == 0)
+                                MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
+                                                     sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
+                            /* FIXME (EPP): I'm not sure this is the correct
+                             * algorithm (should make more sense to apply the same
+                             * for all already loaded formats, but this will do
+                             * for now
+                             */
+                            if (bPcmDone) continue;
+                            bPcmDone = TRUE;
+                        }
+                        if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport)) {
+                            acmDriverClose(had, 0);
+                            return MMSYSERR_NOERROR;
+                        }
+                    }
+                }
+                acmDriverClose(had, 0);
+            }
+        }
     }
     return MMSYSERR_NOERROR;
 }