diff --git a/src/MissionManager/Survey.SettingsGroup.json b/src/MissionManager/Survey.SettingsGroup.json
index d29f9231fd65f435005ab8003903fab559669f67..5d4ef9c2d875756b96772ef6b9d27e67035655aa 100644
--- a/src/MissionManager/Survey.SettingsGroup.json
+++ b/src/MissionManager/Survey.SettingsGroup.json
@@ -61,6 +61,7 @@
     "shortDescription": "Amount of overlap between images in the forward facing direction.",
     "type":             "double",
     "decimalPlaces":    0,
+    "min":              0,
     "max":              85,
     "units":            "%",
     "defaultValue":     10
@@ -70,6 +71,7 @@
     "shortDescription": "Amount of overlap between images in the side facing direction.",
     "type":             "double",
     "decimalPlaces":    0,
+    "min":              0,
     "max":              85,
     "units":            "%",
     "defaultValue":     10