diff --git a/java-11-openjdk.spec b/java-11-openjdk.spec
index 595efa4..d5cf0ce 100644
--- a/java-11-openjdk.spec
+++ b/java-11-openjdk.spec
@@ -1743,7 +1743,7 @@ grep 'JavaCallWrapper::JavaCallWrapper' gdb.out
 %endif
 
 # Check src.zip has all sources. See RHBZ#1130490
-jar -tf $JAVA_HOME/lib/src.zip | grep 'sun.misc.Unsafe'
+$JAVA_HOME/bin/jar -tf $JAVA_HOME/lib/src.zip | grep 'sun.misc.Unsafe'
 
 # Check class files include useful debugging information
 $JAVA_HOME/bin/javap -l java.lang.Object | grep "Compiled from"