diff --git a/modules/database-commons/src/main/java/org/testcontainers/ext/ScriptSplitter.java b/modules/database-commons/src/main/java/org/testcontainers/ext/ScriptSplitter.java
index ba05b71e7bd..d71f6f3ac3d 100644
--- a/modules/database-commons/src/main/java/org/testcontainers/ext/ScriptSplitter.java
+++ b/modules/database-commons/src/main/java/org/testcontainers/ext/ScriptSplitter.java
@@ -36,7 +36,7 @@ void split() {
                     //skip
                     break;
                 case WHITESPACE:
-                    if (!sb.toString().endsWith(" ")) {
+                    if (sb.length() == 0 || sb.charAt(sb.length() - 1) != ' ') {
                         sb.append(' ');
                     }
                     break;