diff --git a/test/units/TEST-58-REPART.sh b/test/units/TEST-58-REPART.sh
index fc06fde0ee7..77adce47bbc 100755
--- a/test/units/TEST-58-REPART.sh
+++ b/test/units/TEST-58-REPART.sh
@@ -423,7 +423,7 @@ EOF
                             --json=pretty \
                             "$imgs/zzz")
 
-    diff -u <(echo "$output") - <<EOF
+    diff -u - <<EOF <(echo "$output")
 [
 	{
 		"type" : "swap",
@@ -484,7 +484,7 @@ EOF
                             --json=pretty \
                             "$imgs/zzz")
 
-    diff -u <(echo "$output") - <<EOF
+    diff -u - <<EOF <(echo "$output")
 [
 	{
 		"type" : "swap",
@@ -1198,7 +1198,8 @@ EOF
                                               --json=pretty \
                                               "$imgs/zzz")
 
-    diff -u <(echo "$output1" | grep -E "(offset|raw_size|raw_padding)") <(echo "$output2" | grep -E "(offset|raw_size|raw_padding)")
+    diff -u <(echo "$output1" | grep -E "(offset|raw_size|raw_padding)") \
+            <(echo "$output2" | grep -E "(offset|raw_size|raw_padding)")
 }
 
 test_sector() {