diff --git a/camerafragment/src/main/java/com/github/florent37/camerafragment/internal/utils/CameraHelper.java b/camerafragment/src/main/java/com/github/florent37/camerafragment/internal/utils/CameraHelper.java
index a893f4f..cc90048 100644
--- a/camerafragment/src/main/java/com/github/florent37/camerafragment/internal/utils/CameraHelper.java
+++ b/camerafragment/src/main/java/com/github/florent37/camerafragment/internal/utils/CameraHelper.java
@@ -251,7 +251,7 @@ public final class CameraHelper {
 
             double ratio = (double) size.getHeight() / size.getWidth();
 
-            if (Math.abs(ratio - targetRatio) < MIN_TOLERANCE) MIN_TOLERANCE = ratio;
+            if (Math.abs(ratio - targetRatio) < MIN_TOLERANCE) MIN_TOLERANCE = Math.abs(ratio - targetRatio);
             else continue;
 
             if (Math.abs(size.getHeight() - targetHeight) < minDiff) {
@@ -325,7 +325,7 @@ public final class CameraHelper {
 
             double ratio = (double) size.getHeight() / size.getWidth();
 
-            if (Math.abs(ratio - targetRatio) < MIN_TOLERANCE) MIN_TOLERANCE = ratio;
+            if (Math.abs(ratio - targetRatio) < MIN_TOLERANCE) MIN_TOLERANCE = Math.abs(ratio - targetRatio);
             else continue;
 
             if (Math.abs(size.getHeight() - targetHeight) < minDiff) {